85213229755 has 8 divisors (see below), whose sum is σ = 102334481424. Its totient is φ = 68118180000.

The previous prime is 85213229719. The next prime is 85213229767. The reversal of 85213229755 is 55792231258.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85213229755 - 2¹⁹ = 85212705467 is a prime.

It is a super-2 number, since 2×85213229755² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85213229699 and 85213229708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6543321 + ... + 6556330.

It is an arithmetic number, because the mean of its divisors is an integer number (12791810178).

Almost surely, 2^85213229755 is an apocalyptic number.

85213229755 is a deficient number, since it is larger than the sum of its proper divisors (17121251669).

85213229755 is a wasteful number, since it uses less digits than its factorization.

85213229755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13100957.

The product of its digits is 1512000, while the sum is 49.

The spelling of 85213229755 in words is "eighty-five billion, two hundred thirteen million, two hundred twenty-nine thousand, seven hundred fifty-five".